chore(package): update lockfile yarn.lock

Author: greenkeeper[bot]

yarn.lock

@@ -500,12 +500,6 @@ dir-glob@^2.0.0:
     arrify "^1.0.1"
     path-type "^3.0.0"
 
-dot-prop@^4.1.1:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/dot-prop/-/dot-prop-4.2.0.tgz#1f19e0c2e1aa0e32797c49799f2837ac6af69c57"
-  dependencies:
-    is-obj "^1.0.0"
-
 electron-to-chromium@^1.3.62:
   version "1.3.70"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.70.tgz#ded377256d92d81b4257d36c65aa890274afcfd2"
@@ -941,10 +935,6 @@ is-number@^3.0.0:
   dependencies:
     kind-of "^3.0.2"
 
-is-obj@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
-
 is-plain-object@^2.0.1, is-plain-object@^2.0.3, is-plain-object@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
@@ -1634,12 +1624,13 @@ postcss-mixins@6.2.1:
     postcss-simple-vars "^5.0.1"
     sugarss "^2.0.0"
 
-postcss-nested@4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-nested/-/postcss-nested-4.1.0.tgz#271da8a047f2ee378139410ae2400b1c67d0bf30"
+postcss-nested@4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/postcss-nested/-/postcss-nested-4.1.1.tgz#2074e6641583bf7151d951908d68fa95039fe340"
+  integrity sha512-3+V8+g+i9zUQ/AADNtBj3DVVvSOhRCV7W8Kzn9n4ViWJtSQrSdtIJnxZaupfdTrnhCkY86sAsuKVxBCuyfJDeA==
   dependencies:
-    postcss "^7.0.2"
-    postcss-selector-parser "^3.1.1"
+    postcss "^7.0.6"
+    postcss-selector-parser "^5.0.0-rc.4"
 
 postcss-nesting@^7.0.0:
   version "7.0.0"
@@ -1753,14 +1744,6 @@ postcss-selector-not@^4.0.0:
     balanced-match "^1.0.0"
     postcss "^7.0.2"
 
-postcss-selector-parser@^3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-3.1.1.tgz#4f875f4afb0c96573d5cf4d74011aee250a7e865"
-  dependencies:
-    dot-prop "^4.1.1"
-    indexes-of "^1.0.1"
-    uniq "^1.0.1"
-
 postcss-selector-parser@^5.0.0-rc.3:
   version "5.0.0-rc.3"
   resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-5.0.0-rc.3.tgz#c4525dcc8eb90166c53dcbf0cb9317ceff5a15b5"